FDC37N769_07 SMSC [SMSC Corporation], FDC37N769_07 Datasheet - Page 80

• Manufacturer Part Number: FDC37N769_07
• Description: 3.3V Super I/O Controller with Infrared Support for Portable Applications
• Manufacturer: SMSC [SMSC Corporation]

Note 1: SPP and EPP can use 1 common register.
Note 2: nWrite is the only EPP output that can be over-ridden by SPP control port during an EPP cycle. For correct
SMSC DS – FDC37N769
WAIT
DATASTB
RESET
ADDRSTB nAddress
PE
SLCT
NERR
PDIR
EPP read cycles, PCD is required to be a low.
SIGNAL
EPP
nWait
nData Strobe
nReset
Strobe
Paper End
Printer
Selected
Status
Error
Parallel Port
Direction
EPP NAME
TYPE
O
O
O
O
I
I
I
I
DATASHEET
This signal is active low.
acknowledgment from the device that the transfer of data is
completed. It is driven active as an indication that the device is
ready for the next transfer.
This signal is active low. It is used to denote data read or write
operation.
This signal is active low. When driven active, the EPP device is
reset to its initial operational mode.
This signal is active low.
write operation.
Same as SPP mode.
Same as SPP mode.
Same as SPP mode.
This output shows the direction of the data transfer on the
parallel port bus. A low means an output/write condition and a
high means an input/read condition. This signal is normally a low
(output/write) unless PCD of the control register is set or if an
EPP read cycle is in progress.
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DESCRIPTION
It is used to denote address read or
It is driven inactive as a positive
Rev. 02-16-07